The composition and structure of flexible pavement consists of surface course, binder course, base course, subbase course, frost protection course, subgrade. Flexible pavements contain bitumen or asphalt layer as wearing course and supports loads through bearing. They have low flexural strength. ...
Pavement Composition
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DESIRABLE PROPERTIES OF ASPHALT MIXES FOR PAVEMENTS

Bituminous mixes (some times called asphalt mixes) are used in the surface layer of road and airfield pavements. The mix is composed usually of aggregate and asphalt cements. Some types of bituminous mixes are also used in base coarse. The ...
LOAD-TRANSFER RESTORATION OF PAVEMENTS

New pavement joints typically exhibit good load transfer, particularly if the joints are doweled. However, repeated heavy loads can cause an elongation of the dowel sockets and result in dowel looseness and a reduction of load-transfer efficiency. As load-transfer efficiency ...
DISINTEGRATION OF WBM & ASPHALT ROADS

Various Cause of Disintegration of Water Bound Macadam and Surface Treated (Asphalt Roads): 1. Inadequate stability or strength 2. Loss of binding action 3. Loss of base course materials 4. Inadequate Weaving Course 5. Use of inferior materials 6. Lack ...
Composition and Structure of Rigid Pavement

Composition and Structure of Rigid Pavement Rigid pavements support loads through rigidity and high modulus of elasticity of concrete slab. The loads will distribute to natural soil layer through different layers of rigid pavement. The compostion and structure of rigid ...